631610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1289}}^1$

素因数の和:1310

約数の個数: 24

約数和(自身を含む): 1323540

約数和(自身を除く): 691930

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1289, 2578, 6445, 9023, 12890, 18046, 45115, 63161, 90230, 126322, 315805, 631610]

約数ペア:

[(1, 631610), (2, 315805), (5, 126322), (7, 90230), (10, 63161), (14, 45115), (35, 18046), (49, 12890), (70, 9023), (98, 6445), (245, 2578), (490, 1289)]